Finding the Fourth Proportional to 111,022.30, 166,205.40 and 97,900.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,022.30 : 166,205.40 = 97,900.30 : x
2. Step 2: Convert to fraction form
   111,022.30/166,205.40 = 97,900.30/x
3. Step 3: Cross multiply
   111,022.30x = 166,205.40 × 97,900.30
4. Step 4: Simplify right side
   111,022.30x = 16,271,558,521.62
5. Step 5: Solve for x
   x = 16,271,558,521.62/111,022.30
6. Step 6: Final answer
   x = 146,561.17